diff options
Diffstat (limited to 'target/linux/s3c24xx/patches-2.6.26/1237-fix-glamo-turbo-host-interface.patch.patch')
-rwxr-xr-x | target/linux/s3c24xx/patches-2.6.26/1237-fix-glamo-turbo-host-interface.patch.patch | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/target/linux/s3c24xx/patches-2.6.26/1237-fix-glamo-turbo-host-interface.patch.patch b/target/linux/s3c24xx/patches-2.6.26/1237-fix-glamo-turbo-host-interface.patch.patch new file mode 100755 index 0000000..efc3f7e --- /dev/null +++ b/target/linux/s3c24xx/patches-2.6.26/1237-fix-glamo-turbo-host-interface.patch.patch @@ -0,0 +1,65 @@ +From 27d53aa3a33766bb3882f1adcf73c0b3402a5572 Mon Sep 17 00:00:00 2001 +From: Andy Green <andy@openmoko.com> +Date: Mon, 4 Aug 2008 08:34:51 +0100 +Subject: [PATCH] fix-glamo-turbo-host-interface.patch + +Signed-off-by: Andy Green <andy@openmoko.com> +--- + arch/arm/mach-s3c2440/mach-gta02.c | 4 ++++ + drivers/mfd/glamo/glamo-core.c | 12 ++++++------ + 2 files changed, 10 insertions(+), 6 deletions(-) + +diff --git a/arch/arm/mach-s3c2440/mach-gta02.c b/arch/arm/mach-s3c2440/mach-gta02.c +index 8e43c4a..be2d901 100644 +--- a/arch/arm/mach-s3c2440/mach-gta02.c ++++ b/arch/arm/mach-s3c2440/mach-gta02.c +@@ -66,6 +66,7 @@ + #include <asm/arch/spi.h> + #include <asm/arch/spi-gpio.h> + #include <asm/arch/usb-control.h> ++#include <asm/arch/regs-mem.h> + + #include <asm/arch/gta02.h> + +@@ -1562,6 +1563,9 @@ static void __init gta02_machine_init(void) + + spin_lock_init(&motion_irq_lock); + ++ /* Glamo chip select optimization */ ++/* *((u32 *)(S3C2410_MEMREG(((1 + 1) << 2)))) = 0x1280; */ ++ + s3c_device_usb.dev.platform_data = >a02_usb_info; + s3c_device_nand.dev.platform_data = >a02_nand_info; + s3c_device_sdi.dev.platform_data = >a02_mmc_cfg; +diff --git a/drivers/mfd/glamo/glamo-core.c b/drivers/mfd/glamo/glamo-core.c +index 0e7a650..92dbd65 100644 +--- a/drivers/mfd/glamo/glamo-core.c ++++ b/drivers/mfd/glamo/glamo-core.c +@@ -740,18 +740,18 @@ static struct glamo_script glamo_init_script[] = { + { GLAMO_REG_CLOCK_GEN7, 0x0101 }, + { GLAMO_REG_CLOCK_GEN8, 0x0100 }, + { GLAMO_REG_CLOCK_HOST, 0x000d }, +- { 0x200, 0x0ef0 }, ++ /* ++ * b7..b4 = 0 = no wait states on read or write ++ * b0 = 1 select PLL2 for Host interface, b1 = enable it ++ */ ++ { 0x200, 0x0e03 }, + { 0x202, 0x07ff }, + { 0x212, 0x0000 }, + { 0x214, 0x4000 }, + { 0x216, 0xf00e }, + { GLAMO_REG_MEM_TYPE, 0x0874 }, /* 8MB, 16 word pg wr+rd */ + { GLAMO_REG_MEM_GEN, 0xafaf }, /* 63 grants min + max */ +- /* +- * the register below originally 0x0108 makes unreliable Glamo MMC +- * write operations. Cranked to 0x05ad to add a wait state, the +- * unreliability is not seen after 4GB of write / read testing +- */ ++ + { GLAMO_REG_MEM_TIMING1, 0x0108 }, + { GLAMO_REG_MEM_TIMING2, 0x0010 }, /* Taa = 3 MCLK */ + { GLAMO_REG_MEM_TIMING3, 0x0000 }, +-- +1.5.6.3 + |